# Even3 Eventos vs ATALAC

The clearest difference is update cadence: ATALAC at every 9 days against Even3 Eventos's every 3 months. Even3 Eventos's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Even3 Eventos ships an update every 3 months, ATALAC every 9 days. The most recent releases landed on September 22, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Even3 Eventos | ATALAC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 58 MB | 81 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Even3](https://appshunter.io/developer/1140214277) | [Embra Embra Servicos em Tecnologia Ltda - ME](https://appshunter.io/developer/1053164047) |

## What reviewers say

### Even3 Eventos

[App page](https://appshunter.io/ios/app/even3-eventos/id1546271819)

Discover and organize technical and scientific events like congresses, workshops, and courses. Find online and in-person events across Brazil, filtering by type, location, area, and date. Access all event details conveniently.

**Highlights:** Event organization platform, Find technical and scientific events, Search online and in-person events, Filter by event type, state, area, date, Access event information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ATALAC

[App page](https://appshunter.io/ios/app/atalac/id6759160544)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Even3 Eventos free?

Even3 Eventos is free to download, with no in-app purchases.

### Is ATALAC free?

ATALAC is free to download, with no in-app purchases.

### Do Even3 Eventos or ATALAC have ads?

Neither Even3 Eventos nor ATALAC shows ads.

### Which is updated more often, Even3 Eventos or ATALAC?

Even3 Eventos ships an update every 3 months, and ATALAC every 9 days. Most recently, Even3 Eventos was updated on September 22, 2026 and ATALAC on August 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*